Refrigerating apparatus



1945- G. M. ARMSTRONG 2,385,903

REFRiGERATING APPARATUS Filed July 18, 1941 2 Sheets-Sheet l INVENTOR.

BY M 42M (5502a,: I1. Qirmsrlgquc.

Oct. 2, 1945. G. M. ARMSTRONG 2,335,908

' vREFR-IG EIRA'I'ING APPARATUS Filed July 18, 1941 g s heets-shet 2whale/var UNITED fs' ATEs OF I E i itEFitrqE tA'rINq'nrrARATUs" GeorgeM. Armstrong, Grand' ltejpids; as

signor to Nash-Kelvinator (lorporatiomlletroit,

Mich acorpo 'ation of Maryland J i Y Application .i l' is, 1945i, SerialNo". 402394 icnimI (craze-f e), u I The present invention relates torefrigerating extendin'g' to 'the rear panel 32, and between theapparatus, and more particularly to cabinetconsidewalls '30 is apartition wall38 which divides struction. I thecasing 26 into upper-andlower compartments. It is an object of the present invention tojpro- TheWall 38 is preferably welded to the side wall,

vide in a cabinet having an'inne'r and: outer I rearfflwall and portion3| The lower compartcasing an improved means for the securing and mehtserves as the machine compartment for a supporting of the inner casingto the outer cas- -1 eirigerati1'ig' unit," and in the pp p ing. a firri'ent i's positioned theinner liner 21.

It is another object of the present invention f Thelineril comprises oftop, rear, bottom and to secure and support the innercas'ing-comprissid"- wai1s whi h are p i l r l t on to the ing the food storagecompartment by vertical f walls-oi the'o'uter casing andbetween whichare rails which are attached by their ends tothe positionedsuit'ableheat insulation material 39.

the inner casing.

outer casing to provide a sturdy structure with; The lineri'orms' the'walls or the" food storage out chipping or otherwise marringthe'enamel' f compartment AZ-and is preferably coated with 7 i vitreousenamel; such; as porcelain. .An access The invention itself, however,both as to its Opening 4Utoti1e food storage comp r ment is organizationand its method of operation, t'dformedin' the'front wall- 0f the linerwhich is gether with additional objects and advantages I i' d y' fia' i'o y' op, bottom and thereof, will best be understood ,fr'ointhei'iolside walls, asst 42'; The marginal edge of the lowingdescription of specific 'embodiments'whn nfoiit wan-t2 is bent at righta'ngles to form a read in conjunction with theaccompanying' draw,-'rearw'ardly= extending: flange 44 parallel to the ings, in which:side'sfo'f-the liner:

In the drawings; I v Ext'ending' vertically adjacent to a respectiveFig. 1 is a front elevational view with parts "sidewall-"4'5 of liner 2iaresupp rails broken away and parts shown in section or a'and"4'9'.""'lhe rails are Posi d ja e t t cabinet embodying the presentinvention; Torward'edge or' the' side walls; and its forward Fig. 2 is afragmentary cross sectionalview g tudinal edge marginally bent t e endtaken along line 2- 2 of Fig. 1; r angularly as a wedge into the cornerformed by Fig. 3 is a cross sectional view taken along he' f e i a i a fh flanee M. The rails line 3-3 of Fig. 1; and I 1 1 are 'each aiiixedto"the wa1l's'45 by means of Fig. 4 is a fragmentary cross sectional view'sgt'uds'flifi having threadeds'hank 5'l that isadapttaken along line4-4 of Fig; '1. 3 fefc'lfto extend through opening in the side wallShown in the drawings is a refrigerator 'c'abi- 45 and thread into "aspeed nut 52 formed as net 20 having a food storage compartment 22 fall'shaped ciip and fric'tionally attached to the and a machine compartment24 insulated therefraill'i- The-stud tu projects into the food storagefrom. mpartm m and is provided'with a covering 54 The cabinet 20comprises an outer shell, casto' serve as a support for a'respectiveshelf 56. ing or liner 26 and an inner shell or liner 21. By thusattaching the inner liner to the outer The t r casin -26 comprises t pwall 29 and casing, it has been found that no strain is placed s Walls30 r d as a u ita y st u tu upon the Iorwarci corners or other parts orthe in r ll d fr m a s n le s t f ta and t0 liner, and accordingly thepossibility of chipping which 18 secured by weld a panel 32 forming tthe porcelain from the liner is obviated.

rear wall of the cabinet. The front wall is formed med at opposite d ofthe fails are by flansmjg mwardly the margmal edge of T shaped brackets59 having one leg thereof extendtop and side walls, as at 34, thencedoublmg mg flush against the rail and secured there the metal uponitself to form the wall 34 of douagainst by weld and the other extendinble thickness and continuing the metal adjacent Wardly right an les to ng ly along the side and top wall a determinable dist 1 t 60 g e over.respec tance to thence be bent to extend spatially pargusse p e A gussetplate t secured m allel to the front wall portion, as at 36. A crossfaach 9 the four comers of the opening formed member, 31 is secured inalignment with the front m the front wall of the opter casing and iswall 34 between the side walls so and is simicured by Weld to the rearside of the flange 3 larly formed having a wall of double thickness EachOf the gusset plates e for d with inspaced by a parallel wall inalignment with the Wardly Dressed portion to P vide a recess fo wall 36secured to the rear of member 31 and insertion of insulation spacers 62between the gusset and bracket 59 which are secured together by meansof'screws 64.

The above described arrangement of parts permits an easy and quickassembling of the cabinet. The insulation material is packed against thewalls of the casing 25 after which the liner 44 are L-shaped members I0havingtonguesfu projecting through a respective opening I3 formed inflan e 44 to frictionally engage the rear face-- of the flange. Theupper portion of the member- 10 is flared to look over the edge of theflange preventing withdrawal thereirom. Aleg '15 of member 10 extendsspatially parallel to the front wall 42 and is formed with a radiusedend "I6 over wh ch ad p ed, te 19 1s an ed e o the b a st ip 3 extend ngbe ween and io ningithesfre .wellnertien o he. with th spa ed, f on wallpert enof the easing, I

The-br aker strip 0 i en eferalelyv orm d of s ain ess steel er the likeand .ispreferebly i 9 0 thick me al. theu h ot er thicknes ma ia ma be ued and suitably eea edwith enamel; or leat d, Simi r breaker str ps. anes tienedalen the, ether s de or, the cabin t on the Hem-wall adjacentt9 the enem es 0 there- Qf and imm diately ab ve (the, iced stora e com-Pertmentat he. en at the cab net, a d als im: .med a elyzle ewthe .fe dstor ge compartmen Sinee. he rinciple er attaching the other breaker sipss thesame; ther is wenly hewn in detai thehree er, s ip 1 and the. ayit s attacheda Theibree serst ip extends preferably atom vex eu lefemthe edseef the ou er shell tothe i entwa l eifi inen It s elamvinslyat ached .tweenthe urfe 'eef. Well." a l g. providin aein erl elsinrelatien .ef l helfl nse 34. with op nin .0 wes.nsaienga ement th diusedend, lit,

cl sed bra ins d d erl q. The e se; 1 I Qeem ri' s eneuter shell '12havin u wardlrextendms des Whieh re bent inwardly h r Ze .teie m h pepher y extending l dge H wi htherextended metal b nt e erm en nsettedflange H6. Secured b screws [I1 and a metal s trip l lll to the flangeHe is tongue I20 r mf edu ee el i w th l e s m: The

tongue I20 is provided with an upwardly extended edge portion I24 uponwhichis adapted to rest inner panel I25 forming the inner side of thedoor. The panel I25 is formed of non-heat conducting composition whichhas the tendency to absorb moisture condensed thereon, and results in alinear expansion of the panel. To permit this expansion the'edge ofthepanel engages une dei' leg- I26 of a'U-shaped member IZI which issecured by screw II'I to flange H6. is tensionally held between the legI26 and the raised edge 124, the tension being sufficient to preventshifting or sliding movement of the panel I25 and is not binding toprevent linear expan- 81011.- The door gasket I22 extends in overlappingrelation over-the ledge H4 and across the marginal-edge of the panelI25. The gasket is adapted to seal against the front wall 34 of thecabinet so as to prevent air entering the food stqrage comp r ment.

1 lll? 4. Y I vided between'the spaced inner and out'erjpanels .ef theor, i s I f-Whil I have'shownfand described the prerjrreaform'ofmy'invhtion, Iddo'fnot wish to limitrriyself totheprecisefdetail's assh'own but wish to avail myself of such'variationsand r'nodi fication as may come" within the scope of the appended claim;

lTclair'ni i v V In' a refrigeratoncabinet having inner and outercasings in spaced rengndn with heat insu lath Ill fihrebetwe'en fanopeningfformed in the front wall ofsai douter casing, anv.openinlgformed in the front wall of said innercasing, narrate gem lliex e iw heeh;r i 'h e' its frwa-rd v portion-bent to extend diagonallyacross said u toform... .weee ie ,v M the side. of said innercasing;means attaching said rails to said sideiwallls lbifisaid 'innercasing,

gusset members secured," acrossea'chl corner in the opening of thefrontlwall o f 'sa id' outer cas- Lms. u ve sm l s ng;- s 'e i e eiposite ends of said railsfor attaching to a resp tre ees te dei e elr thees i for ioining the trontwalls -pf said inner and utere eins T sGEORGE M. ARMSTRONG.

The panels heat insulation material IZ-lt'is pro-.

ntairiir'ig'saidrail against

